Fixed bug with unknown exception Http500, changed to Exception with message.
Fixed bug with unknown exception Http500, changed to Exception with message.

Woseseltops/signbank,Woseseltops/signbank,Woseseltops/signbank,Signbank/NGT-signbank,Signbank/NGT-signbank,Woseseltops/signbank,Signbank/NGT-signbank,Signbank/NGT-signbank